Bad cat.. tried everything!

[sideways]

story starts with a bad bank 2 cat. The mechanic goes and replaces the bank1 for a cool 1000$. Now I am still getting the bank 2 bad cat code. Here is what i tried till now.

The spark plug anti fouler technique - The length of the two foulers in series with the length of the sensor was hitting the driver side firewall under heavy revving and the foulers broke the second day after install. The sensor was saved!

The diode tecnique given here. The ECU started throwing code for the sensor - "internal resistance too high" seems like the ecu was not detecting too less.

Now I am left with the following options.

1. Buy/build an o2 simulator circuit.

2. Get a wayne angle block so that sensors go in in a right angle.

3. reflash the ecu


What do you guys think? Any thoughts?

Also, Where can I get the ECU reflashed? I live in middletown connecticut.

[oc-drop]

why don't you just replace the bad cat?
except maybe find a place that won't rob you... you got charged full list price for a cat, that is ridiculous

[doobiesdaddy]

I would just get downpipes and go stage 2. problem solved.

[downhillracer]

i would just replace the bad cat

[02alltoad]

I would just get downpipes and go stage 2. problem solved.

2+ 500 and your done with it.

[exorcet]

are you sure the o2 sensor itself isn't bad? i can't understand why people pay $1000 for a new cat. Just buy a generic Magnaflow 400 cell or equivalent for $100 and have someone weld it for $50.

[sideways]

Where do you guys normaly get the ECU reflashed to avoid the rear O2's?

[sideways]

2+ 500 and your done with it.

we are talking about a 3.0.. did you guys mean a custom exhaust? and what did you mean "go stage 2"? chipping? Could you please explain

[HOFFY11]

right off the bat i woulda just got high flow cats and dp..my personal choice